In 1793, King Louis XVI of France went to the guillotine in Paris. In 1861, Jefferson Davis resigned from the U.S. Senate. In 1968, the Battle of Khe Sanh began. In 1977, President Jimmy Carter pardoned nearly all Vietnam War-era draft evaders. In 2003, the U.S. Census Bureau reported that Hispanics were now the U.S.'s largest minority group.